#include <linux/videodev2.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
+#include <linux/debugfs.h>
+#include <linux/ktime.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>
struct list_head link;
};
+struct aspeed_video_perf {
+ ktime_t last_sample;
+ u32 totaltime;
+ u32 duration;
+ u32 duration_min;
+ u32 duration_max;
+};
+
#define to_aspeed_video_buffer(x) \
container_of((x), struct aspeed_video_buffer, vb)
unsigned int frame_left;
unsigned int frame_right;
unsigned int frame_top;
+
+ struct aspeed_video_perf perf;
};
#define to_aspeed_video(x) container_of((x), struct aspeed_video, v4l2_dev)
readl(video->base + reg));
}
+static void update_perf(struct aspeed_video_perf *p)
+{
+ p->duration =
+ ktime_to_ms(ktime_sub(ktime_get(), p->last_sample));
+ p->totaltime += p->duration;
+
+ p->duration_max = max(p->duration, p->duration_max);
+ p->duration_min = min(p->duration, p->duration_min);
+}
+
static int aspeed_video_start_frame(struct aspeed_video *video)
{
dma_addr_t addr;
aspeed_video_update(video, VE_INTERRUPT_CTRL, 0,
VE_INTERRUPT_COMP_COMPLETE);
+ video->perf.last_sample = ktime_get();
+
aspeed_video_update(video, VE_SEQ_CTRL, 0,
VE_SEQ_CTRL_TRIG_CAPTURE | VE_SEQ_CTRL_TRIG_COMP);
u32 frame_size = aspeed_video_read(video,
video->comp_size_read);
+ update_perf(&video->perf);
+
spin_lock(&video->lock);
clear_bit(VIDEO_FRAME_INPRG, &video->flags);
buf = list_first_entry_or_null(&video->buffers,
det->width = MIN_WIDTH;
det->height = MIN_HEIGHT;
video->v4l2_input_status = V4L2_IN_ST_NO_SIGNAL;
+ memset(&video->perf, 0, sizeof(video->perf));
do {
if (tries) {
struct aspeed_video *video = vb2_get_drv_priv(q);
video->sequence = 0;
+ video->perf.duration_max = 0;
+ video->perf.duration_min = 0xffffffff;
rc = aspeed_video_start_frame(video);
if (rc) {
.buf_queue = aspeed_video_buf_queue,
};
+#ifdef CONFIG_DEBUG_FS
+static int aspeed_video_debugfs_show(struct seq_file *s, void *data)
+{
+ struct aspeed_video *v = s->private;
+
+ seq_puts(s, "\n");
+
+ seq_printf(s, " %-20s:\t%s\n", "Signal",
+ v->v4l2_input_status ? "Unlock" : "Lock");
+ seq_printf(s, " %-20s:\t%d\n", "Width", v->pix_fmt.width);
+ seq_printf(s, " %-20s:\t%d\n", "Height", v->pix_fmt.height);
+ seq_printf(s, " %-20s:\t%d\n", "FRC", v->frame_rate);
+
+ seq_puts(s, "\n");
+
+ seq_puts(s, "Performance:\n");
+ seq_printf(s, " %-20s:\t%d\n", "Frame#", v->sequence);
+ seq_printf(s, " %-20s:\n", "Frame Duration(ms)");
+ seq_printf(s, " %-18s:\t%d\n", "Now", v->perf.duration);
+ seq_printf(s, " %-18s:\t%d\n", "Min", v->perf.duration_min);
+ seq_printf(s, " %-18s:\t%d\n", "Max", v->perf.duration_max);
+ seq_printf(s, " %-20s:\t%d\n", "FPS", 1000 / (v->perf.totaltime / v->sequence));
+
+ return 0;
+}
+
+static int aspeed_video_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, aspeed_video_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations aspeed_video_debugfs_ops = {
+ .owner = THIS_MODULE,
+ .open = aspeed_video_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *debugfs_entry;
+
+static void aspeed_video_debugfs_remove(struct aspeed_video *video)
+{
+ debugfs_remove_recursive(debugfs_entry);
+ debugfs_entry = NULL;
+}
+
+static int aspeed_video_debugfs_create(struct aspeed_video *video)
+{
+ debugfs_entry = debugfs_create_file(DEVICE_NAME, 0444, NULL,
+ video,
+ &aspeed_video_debugfs_ops);
+ if (!debugfs_entry)
+ aspeed_video_debugfs_remove(video);
+
+ return !debugfs_entry ? -EIO : 0;
+}
+#else
+static void aspeed_video_debugfs_remove(struct aspeed_video *video) { }
+static int aspeed_video_debugfs_create(struct aspeed_video *video)
+{
+ return 0;
+}
+#endif /* CONFIG_DEBUG_FS */
+
static int aspeed_video_setup_video(struct aspeed_video *video)
{
const u64 mask = ~(BIT(V4L2_JPEG_CHROMA_SUBSAMPLING_444) |
return rc;
}
+ rc = aspeed_video_debugfs_create(video);
+ if (rc)
+ dev_err(video->dev, "debugfs create failed\n");
+
return 0;
}
aspeed_video_off(video);
+ aspeed_video_debugfs_remove(video);
+
clk_unprepare(video->vclk);
clk_unprepare(video->eclk);